dragan
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Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
latest gfs suggests weather cooling down, before becoming ‘average’ later on. It will no doubt feel chillier than at present, 160m in Eastern Scotland, and it’s 13c ! -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
i hope when people say ‘this model is better than that one’ it’s because they have analysed what they predict, then check what the actual weather was on the day.........instead of the ‘best’ model being the one that shows cold... -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
gfs12z more of the same. after brief high pressure, we see weather coming in the from west/southwest , quite windy at time too. temps around average -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
well your far more experienced than me and it’s just my observation, but running through there is a westerly air flow just about every frame (not necessarily wet) -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
according to gfs 06z , after a brief flirt with high pressure, it’s more or less an onslaught from the west.....again -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
agreed, think it would also be colder away from the east coast too, western areas with clear skies may benefit if it’s frost you want -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
yeh your right, although odds on that westerly airstream wins out -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
then at 192, 216, 240 it’s back to average temps and weather west to east -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
lows to the west, high to the east means we are sucking up air from the south, although not overly mild, it will keep temps around average (this is later frames of gfs) -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
yip, straight from the med -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
regardless of partial graduation, ultimately we end up with a mild south easterly.......not all easterlies are equal according to Jack, and you can see that in evidence -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
onto what?? The fact they disagree far out...? I mean, it could end up with a cold spell......but far far far more likely it will end up ‘average’ as they are showing. Uncertainty is more likely to = some sort of westerly influence......because thats what we get 80/90% of the time -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
there is no real cold outlook. i think it’s more people thinking that there a better potential for cold, however there is no cold charts showing -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
due to thermal gradient being all but absent in the northern hemisphere, once again we are looking at a throughly west based onslaught of weather. Neither particularly cold nor mild, rather more ‘average’ -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
and then it gets blown away after a day lol. -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
looks likely to get blown away according to all the modes sadly for people who crave cold weather from north or east -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
a wobble, a wobble??? Dear me, if verification came with burgers, ECM would be obese! For me it’s on the right track, listen, low heights traversing over the atmosphere make it unlikely for there to be any easterly flow across the UK. Having said that, there’s a chance that the lower gradients sink south not far from east, thus squeezing and blowing up the pressure, however, it’s likely to be drier rather than humid. -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
yes, not that cold -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
pudding proof? What? The high won’t move north or east for that matter, odds on for it to get pushed far eastward due to the pressure gradient around the high, it’s always the case. Thus, allowing the waxing and waining of south to north westerly influence throughout. Unless the fluidity of the high and low pressure reverse due to unstable air, it’s not likely to happen i’m afraid. -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
Timothy, this is nor the time or place, for this is model output discussion. Keep tuned for more pearls of wisdom however, you may learn a thing or two. -
Model output discussion - Winter approaches
dragan replied to Paul's topic in Forecast Model Discussion
block collapsage isn’t possible due to the annual vortex depreciation around this time. Of course that doesn’t rule out the fact it could organically minimise especially given any sort of radiation input....... -
gfs side with ecm, tuesday, easterly, snow.
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Model output discussion - 7th January onwards
dragan replied to Paul's topic in Forecast Model Discussion
what do you mean by improve throughout the day? we don’t know what set are correct so the morning runs may be on the money. Or do you mean improve as in ‘the coldest’ solution? Remember almost people prefer mild so it could be seen as the opposite -
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Scotland/Alba Regional Weather Discussion - 16/01/2018 Onwards
dragan replied to BlueHedgehog074's topic in Regional
this current streamer is absolutely mental, just when you think things can’t get worse....it gets taken up a notch or 3